target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch
has been applied upstream; the two deleted brcm2708 patches have been
useless even before (as the second one only reverted the first one).
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>